# Superpdf vs Sphinx 5.0

The clearest difference is ads: Sphinx 5.0 at none against Superpdf's shown. Superpdf's advantage is update cadence (every 3 days vs every 10 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Superpdf ships an update every 3 days, Sphinx 5.0 every 10 days. The most recent releases landed on October 12, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Superpdf | Sphinx 5.0 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 10 days |
| Size | 18 MB | 23 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shaanxi Saiwangdao Network Technology Co., Ltd](https://appshunter.io/developer/1855798461) | [SHENZHEN KEYKING TECHNOLOGY CO.,LTD.](https://appshunter.io/developer/705079409) |

## What reviewers say

### Superpdf

[App page](https://appshunter.io/ios/app/superpdfsmartpdf/id6758294031)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sphinx 5.0

[App page](https://appshunter.io/ios/app/sphinx-50/id6803020372)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Superpdf free?

Superpdf is free to download, with no in-app purchases.

### Is Sphinx 5.0 free?

Sphinx 5.0 is free to download, with no in-app purchases.

### Do Superpdf or Sphinx 5.0 have ads?

Superpdf shows ads; Sphinx 5.0 does not.

### Which is updated more often, Superpdf or Sphinx 5.0?

Superpdf ships an update every 3 days, and Sphinx 5.0 every 10 days. Most recently, Superpdf was updated on October 12, 2026 and Sphinx 5.0 on September 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*